Table 1

Demographic data

InterventionComparisonT-testP value??2 this should be: χ2P value
ParticipantsTotal9852 (53%)46 (57%)1.040.3033.930.686
Withdrew110
Left programme422
Grand total934944
GenderMale3 (3%)21−0.4920.6240.2460.620
Female95 (97%)5045
Age18–2473 (76%)34392.0900.0394.260.039
25–3024 (24%)177
31–366 (6%)51
37 +8 (8%)44